Software Engineer II, Cloud Infrastructure - Slack

Role: Software Engineer II, Cloud Infrastructure (Slack)

Join Slack’s Cloud Engineering team to build and operate the infrastructure that powers Slack’s global, real-time communication at scale.

Responsibilities

• Own software projects end-to-end (scoping, design, delivery, and iteration).
• Architect and build an internal platform enabling engineering teams to innovate quickly.
• Deliver solutions using cloud primitives, including containerization and virtualization, leveraging AWS services.
• Author and improve Terraform modules for infrastructure-as-code.
• Design and implement an in-house deployment and management system for applications.
• Partner with development teams to identify performance bottlenecks and improve cloud efficiency.
• Act as a go-to advisor on cloud best practices for service owners.
• Share knowledge and improve platform efficiency via runbooks, enablement sessions, and documentation.
• Drive measurable cost savings, contributing to millions of dollars in annual cloud savings.

Requirements

• U.S. Citizenship and ability to obtain a Top Secret security clearance (no visa sponsorship).
• Strong curiosity about cloud infrastructure and passion for sharing knowledge.
• Proven ability to analyze and improve reliability in high-traffic production internet applications.
• Mentoring mindset and engineering excellence (code reviews, testing, design docs, debugging).
• Deep hands-on AWS experience with broad familiarity across many services and deep expertise in at least a few.
• Experience deploying cloud applications and managing infrastructure-as-code using Terraform and/or CloudFormation.
• Track record of professional software development with real-world impact.
• 3+ years of professional experience in cloud engineering or related field.
• Strong CS fundamentals (data structures, algorithms, distributed systems, programming languages, information retrieval).
• Proficiency in one or more imperative/functional languages; Python, Go, or PHP preferred.

Nice-to-haves

• Experience improving system performance and reliability through production incident/debugging and operational rigor.